Arrangements in a communication switching system using signal equipment between senders and selector switching units



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ARRANGEMENTS IN A COMMUNICATION SWITCHING SYSTEM USING SIGNAL EQUIPMENT BETWEEN SENDERS AND SELECTOR SWITCHING UNITS Filed Nov.' 27, 1964 25 Sheets-Sheet 1d Nov. 26, 1968 w. B. KLEES E AL IN A CO USING SIGNAL EQUIPMENT BETWEEN SENDERS AND 3,413,419 MMUNICATION SWITCHING SYSTEM ARRANGEMENTS SELECTOR SWITCHING UNITS 225 Sheets-Sheet 15 Filed Nov. 27, 1964 YE? 6 25 1 96 6 2a 1 2% 6-2a 1-2m 6-2m m7 TEw :65 6 5 6 52 2% V Q mm: mm Tmmm m E: Q 15 w mm: m Fwmm 5 Q 2: mm Q Em -58 3 I SE 2 m :i; m 2: m Em u 2: m 2 lu Q E I Nov. 26, 1968 w KLEES ET AL 3,413,419

ARRANGEMENTS IN A COMMUNICATION SWITCHING SYSTEM USING SIGNAL EQUIPMENT BETWEEN SENDERS AND SELECTOR SWITCHING UNITS Filed Nov. 27, 1964 25 Sheets-Sheet 16 PARALLEL TEST Nov. 26, 1968 w. B. KLEES ET AL 3,413,419

ARRANGEMENTS IN A COMMUNICATION SWITCHING SYSTEM USING SIGNAL EQUIPMENT BETWEEN SENDERS AND SELECTOR SWITCHING UNITS Filed Nov. 27, 1964 25 Sheets-Sheet 18 Nov. 26, 1968 w. B. KLEES ET AL 3,413,419

ARRANGEMENTS IN A COMMUNICATION SWITCHING SYSTEM USING SIGNAL EQUIPMENT BETWEEN SENDERS AND SELECTOR SWITCHING UNITS Filed Nov. 27, 1964 25 Sheets-Sheet l9 NOV. 26, 1968 w KLEES ET AL 3,413,419

ARRANGEMENTS IN A COMMUNICATION SWITCHING SYSTEM USING SIGNAL EQUIPMENT BETWEEN SENDERS AND SELECTOR SWITCHING UNITS Filed Nov. 27, 1964 25 Sheets-Sheet 20 2035 2036 RST 355 SET SS2 SET SS3 RESET SS3 SET SS4 RESET SS4 SET SS5 SET RES 

